What are the 2 volcanic belts?
GeologyThe two major seismic belts are the Circum-Pacific Belt, which surrounds the Pacific Ocean, and the Alpide Belt, which stretches from the Azores through the Mediterranean and Middle East to the Himalayas and Indonesia, where it joins the Circum-Pacific Belt. What are the main volcanic belts? Since the establishment of plate tectonics theory, many scholars
How are glacial kettles formed?
GeologyKettles form when a block of stagnant ice (a serac) detaches from the glacier. Eventually, it becomes wholly or partially buried in sediment and slowly melts, leaving behind a pit. In many cases, water begins fills the depression and forms a pond or lake—a kettle. What are kettle holes and how were they formed? Kettle
What is the reason for temperature differences between the ocean and the continents?
GeologyWhat is the reason for the temperature differences between the oceans and the continents. The difference between the oceans and continents is due to the air currents like land breeze and sea breeze. Why are ocean and land temperatures different? Heat capacity. Simple physics suggests that when you put more heat into the climate system,
What is the definition of Imperceptibility?
GeologyDefinition of imperceptible : not perceptible by a sense or by the mind : extremely slight, gradual, or subtle imperceptible differences. How is robustness defined? Robustness is the property of being strong and healthy in constitution. When it is transposed into a system, it refers to the ability of tolerating perturbations that might affect the
What is sedimentary bedding?
GeologySediments and sedimentary rocks are characterized by bedding, which occurs when layers of sediment, with different particle sizes are deposited on top of each other. These beds range from millimeters to centimeters thick and can even go to meters or multiple meters thick. Is bedding a sedimentary structure? Sedimentary structures include features like bedding, ripple
How often does Italy earthquake?
GeologyOver the last 2,000 years, more than 400 destructive earthquakes have been documented in Italy. There have been 15 major earthquakes in the country since 1905, the worst being the 1908 Messina earthquake in southern Italy which had a magnitude of 7.1 and claimed 70,000 lives. How many earthquakes happen in Italy a year? Due
What is a hill landform?
GeologyWhat is a hill in landform? A hill is a landform that extends above the surrounding terrain. It often has a distinct summit. What is a hill simple definition? A hill is a piece of land that rises higher than everything surrounding it. 4 – 12+ Earth Science, Geology, Geography, Physical Geography. How are hills
What are 3 types of mass movement?
GeologyThere are four different types of mass movement: Rockfall. Bits of rock fall off the cliff face, usually due to freeze-thaw weathering. Mudflow. Saturated soil (soil filled with water) flows down a slope. Landslide. Large blocks of rock slide downhill. Rotational slip. Saturated soil slumps down a curved surface. What are the types mass movement?
Where does most of our knowledge about the Earth come from?
GeologyMost of our knowledge of Earth’s interior comes from the study of earthquake waves. How do we get knowledge about the interior of the earth? Scientists are able to understand Earth’s interior by studying seismic waves. These are waves of energy that travel through Earth, and they move similarly to other types of waves, like
What are the different types of tephra?
GeologyClassification Ash – particles smaller than 2 mm (0.08 inches) in diameter. Lapilli or volcanic cinders – between 2 and 64 mm (0.08 and 2.5 inches) in diameter. Volcanic bombs or volcanic blocks – larger than 64 mm (2.5 inches) in diameter. Which of the following are types of tephra? For example: Ash tuff –